GTK implementation of remembering platform app window geometry.

chrome/browser/ui/gtk/extensions/shell_window_gtk.h

Index: chrome/browser/ui/gtk/extensions/shell_window_gtk.h
diff --git a/chrome/browser/ui/gtk/extensions/shell_window_gtk.h b/chrome/browser/ui/gtk/extensions/shell_window_gtk.h
index ec20c655ac751222f32f5e5150ebc4c328321bd4..6f0bc5364dcd59c711794bb2f254efc7d8808e01 100644
--- a/chrome/browser/ui/gtk/extensions/shell_window_gtk.h
+++ b/chrome/browser/ui/gtk/extensions/shell_window_gtk.h
@@ -7,6 +7,7 @@
 
 #include <gtk/gtk.h>
 
+#include "base/timer.h"
 #include "chrome/browser/ui/extensions/native_shell_window.h"
 #include "chrome/browser/ui/extensions/shell_window.h"
 #include "chrome/browser/ui/gtk/extensions/extension_view_gtk.h"
@@ -72,6 +73,8 @@ class ShellWindowGtk : public NativeShellWindow,
   CHROMEGTK_CALLBACK_1(ShellWindowGtk, gboolean, OnWindowState,
                        GdkEventWindowState*);
 
+  void OnDebouncedBoundsChanged();
+
   ShellWindow* shell_window_;  // weak - ShellWindow owns NativeShellWindow.
 
   GtkWindow* window_;
@@ -92,6 +95,9 @@ class ShellWindowGtk : public NativeShellWindow,
   // fullscreen, however: some WMs don't support fullscreen.
   bool content_thinks_its_fullscreen_;
 
+  // The timer used to save the window position for session restore.
+  base::OneShotTimer<ShellWindowGtk> window_configure_debounce_timer_;
+
   DISALLOW_COPY_AND_ASSIGN(ShellWindowGtk);
 };